Death Mark laser

The Death Mark laser was a top-secret weapon prototype developed by the Galactic Republic by the time of the Cold War with the reconstituted Sith Empire. An orbital satellite that could fire incredibly accurate energy strikes at marked targets, it was created as a means of ending the Alderaan Civil War quickly and with minimal loss of life.

However, the project was seized in 3643 BBY by Lord Nefarid, an apprentice of Darth Angral. Angral, who was seeking revenge on the unknown Jedi Knight who had killed his son Tarnis, had his apprentices take control of several of the Republic's superweapon projects in order to build his own. The Knight, however, arrived on the planet and was able to destroy the Death Mark laser, killing Nefarid in the process.

Text and facts from the “Death Mark laser” article on Wookieepedia, licensed under CC BY-SA 3.0. Modified for this site.